Diabetes is a chronic (long-lasting) health condition that affects how your body turns food into energy. Your body breaks down most of the food you eat into sugar (glucose) and releases it into your bloodstream. When your blood sugar goes up, it signals your pancreas to release insulin.

Key facts

  • The number of people with diabetes rose from 108 million in 1980 to 422 million in 2014. Prevalence has been rising more rapidly in low- and middle-income countries than in high-income countries.
  • Diabetes is a major cause of blindness, kidney failure, heart attacks, stroke and lower limb amputation.
  • Between 2000 and 2019, there was a 3% increase in diabetes mortality rates by age.
  • In 2019, diabetes and kidney disease due to diabetes caused an estimated 2 million deaths.
  • A healthy diet, regular physical activity, maintaining a normal body weight and avoiding tobacco use are ways to prevent or delay the onset of type 2 diabetes.
  • Diabetes can be treated and its consequences avoided or delayed with diet, physical activity, medication and regular screening and treatment for complications.